20 21 23 24 :0 F1 2 26 27 2 F2 14/ Select all answers that show the atoms or ions that are isoelectronic with each other Se2-, Kr2+ S2-, Cl-1 MacBook Air : DD J F9 #3 80 F3 L A12+, Mg2+ 000 000 F4 S4 $ 4 C % 5 F5 T A 6 F6 X & 7 এব F7 * 8 00 DII F8 ( 9 - O 0 F10 I' F11 +

Q: Determine the number of protons, number of electrons, number of neutrons, atomic number, and mass…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What element is represented by 1s22s22p 3s²3p6 0 Kr OS O Sc+3 00 O Br

A: electron configuration is the distribution of electrons of an atom or molecule in atomic or…

Q: Which of the following pairs of elements would you expect to have the most similar atomic radii? O…

A: Trend followed : Atomic radii decreases across the period from left to right and increases down the…

Q: 55. Which elements are main-group elements?(a) Te(b) K(c) V(d) Re(e) Ag

A: The main- group elements are the elements in the s-block and p-block of the modern periodic table…

Q: Use the atom builder interactive to determine whether each nucleus is stable or unstable.

A: For a stable nucleus the ration of numbers of neutrons and number of protons must be 1:1 for…

Q: TQhB66q?1oB O CHEMICAL REACTIONS Percent yield of chemical reactions OOOC 15 quid octane…

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Q: 8. An unknown element has 2 outermost shell electrons. Which of the following statements concerning…

A: Here the unknown element have two outermost shell elctrons . Hence the element may be Helium ( 1s^2)…

Q: 1 Elements in Group 8A are known as the ________. Group of answer choices noble gases halogens…

A: 1. Group 8A (or VIII A) elements are : helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe),…

Q: Write the condensed ground-state electron configuration for each of the following elements

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Q: electron configuration of atoms [G]ns² 4 [G]ns mf 10 2 [G]ns² md ¹0 np² blocks S location of…

A:

Q: Fill out the missing information in the table by using the dropdown boxes provided. Element…

A: Given, Element - Calcium  Symbol - Ca In modern periodic table calcium (Ca) is a s block element.…

Q: Match: 1. An atom's mass number mathematically equals 2. The total number of electrons in a(24Cr+³…

A: Here we are required to match the statement in column A and column B.

Q: Which Lewis electron-dot diagram is drawn correctly for the atom it represents? Hint: The number of…

A: Explained the Lewis dot structure for each elements and described correct one as follows

Q: Which element would you expect to show similar chemical properties to Na, Cl, P and O. Na

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Q: An X element atom with four electrons with a value of mL each =1 its atomic number is

A:

Q: gallium: [Ar]4s23d¹04p¹ inner electrons: valence electrons: tungsten: [Xe]6s24f145d4 inner…

A: The objective of the question is to identify the-Valence ElectronsOuter ElectronsInner Electrons

Q: What is the element based on this clue: It has 3 shells of e- and 2e- in last shell?

A:

Q: Write the standard isotopic notation for the following atoms: a)80p, 80e,120n b)7p,7e,8n…

A: The standard isotopic notation of an isotope is written as follows:

Q: 1 (a)What charge is expected on F? Enter answer as -# or +# where # is the charge. b What charge…

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Q: A sample of an unknown compound is vaporized at 120. °C. The gas produced has a volume of 2120. mL…

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Q: Be sure to answer all parts. Identify the element below and give the symbols of the other elements…

A:

Q: A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 1760. mL…

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Q: Atom P As Pb Cr A1³+ Ru Atomic number (Z) 15 Electronic configuration [Ne]3s 3p³

A:

Q: A 9.00 L tank at 7.29 °C is filled with 11.5 g of carbon dioxide gas and 3.05 g of dinitrogen…

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Q: An isotope of element Z has a symbol of Z-390  with a charge of - 1.  If the element Z has  197…

A:

Q: Fill in the missing information: atom or ion? check all that apply symbol number of number of…

A: Complete the given table :  a) cation ; number of protons = 21  ; number of electrons = 20  ; smybol…

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Q: The spheres below represent atoms of Li, Be, B, and F (not necessarily in that order) r- 112 pm r-83…

A:

Q: Kr has 36 protons and 36 electrons. Give the symbol of two anions and two cations that are…

A: Krypton(Kr) belongs to the noble gas family, i.e. group 18. It's atomic number is 36 so it has 36…

Q: Looking at the periodic table on the inside front cover in the textbook, can you find an example…

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Q: Isotopic Symbol electrons Format: X-# Element atomic # of # of # of mass Symbol number number…

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Q: How many electronS were lost or gained to form each ion? I ANSWER BANK Al** N3 Zn²* LOST 1 GAINED 1…

A: Any Element always try to attain octet configuration. Hence they sometime accept or donate their…

Q: Complete the following by choosing the correct word. The atomic theory was given by * . 6c12 and 6c3…

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Q: Which of the following metals would be expected to have the smallest atomic radius? A) Cesium (Cs)…

A: An atomic radius is defined as the half of the distance between the adjacent atoms of the same…

Q: Write the standard isotopic notation for the following atom a) 3p, 3e , 3n

A: • The values provided in the question are:-     i) Number of protons in an atom = 3  ii) Number of…